/ Dictionary / Index U union church: Meaning and Definition of Find definitions for: un'ion church' Pronunciation: [key] a congregation or denomination formed by the combination of two or more churches. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. union catalog Union City Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language